12400856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 26611200

約数和(自身を除く): 14210344

約数列:

[1, 2, 4, 8, 13, 26, 43, 47, 52, 59, 86, 94, 104, 118, 172, 188, 236, 344, 376, 472, 559, 611, 767, 1118, 1222, 1534, 2021, 2236, 2444, 2537, 2773, 3068, 4042, 4472, 4888, 5074, 5546, 6136, 8084, 10148, 11092, 16168, 20296, 22184, 26273, 32981, 36049, 52546, 65962, 72098, 105092, 119239, 131924, 144196, 210184, 238478, 263848, 288392, 476956, 953912, 1550107, 3100214, 6200428, 12400856]

約数ペア:

[(1, 12400856), (2, 6200428), (4, 3100214), (8, 1550107), (13, 953912), (26, 476956), (43, 288392), (47, 263848), (52, 238478), (59, 210184), (86, 144196), (94, 131924), (104, 119239), (118, 105092), (172, 72098), (188, 65962), (236, 52546), (344, 36049), (376, 32981), (472, 26273), (559, 22184), (611, 20296), (767, 16168), (1118, 11092), (1222, 10148), (1534, 8084), (2021, 6136), (2236, 5546), (2444, 5074), (2537, 4888), (2773, 4472), (3068, 4042)]